Dr. Nagasaka is currently chief professor and chairman of the department of obstetrics and gynecology at Teikyo University. He graduated from Ehime University in 2000, and the University of Tokyo in 2008. Dr. Nagasaka has lived in Texas, USA, and worked in Italy as a researcher on HPV infections. He speaks English and a little Italian.
Dr. Nagasaka sees a wide range of gynecological problems as well as delivering routine obstetric care. He specialises in gynaecological oncology, perinatal medicine, general gynaecology, endometriosis treatment, reproductive medicine and infertility. Additionally, he is certified in laparoscopic and hysteroscopic surgery and robot-assisted surgery.